Download NEET MODEL PAPERS - Botany paper 1.

91.
The following group of plants belong to how many families?
Lupin, Ashwagandha, Tulip, Tobacco, Petunia, Trifolium, Brinjal, Gloriosa
1) 3
92.
93.
3) 2
4) 8
Choose the incorrect match regarding ETS of Respiration for one Glucose molecule
1) Cofactors oxidized  NADH 2 and FADH 2 
12
2) Number of water molecules produced in ETS
12
3) Complexes involved in transfer of electrons
4
4) Oxygen atoms utilized in ETS
6
A canary grass seedling is exposed to light. Which one of the diagram given below best describes
the condition of the coleoptiles tip at the end of the experiment ?
1)
94.
2) 4
2)
3)
4)
Choose the correct set of statements about Lac operon
1) Operator lies upstream to ’structural genes’
2) Lactose is the inducer
3) Repressor is a protein which binds to the ‘operator’
4) All the above
95.
96.
Choose the mismatch
1) Single cell protein – Spirulina, Chlorella
2) Medicinal plants – Arnica, Cinchona
3) Food for astronauts – Chlorella
4) Petroplants – Datura, Digitalis
Immuno suppressive agent ‘cyclosporin A’ is produced by
1) Monascus purpureus
2) Streptococcus
3) Trichoderma polysporum
4) Propionibacterium sharmanii
97.
Given in the diagram shows at a pair of homologous chromosomes during meiosis
maximum crossing over will occur between genes
1) A and a, D and d
98.
3) B and c, b and C
4) A and d, a and D
T.W. Engelmann’s experimental plant for his discovery of first action spectrum of photosynthesis
is
1) Azatobacter
99.
2) C and d, c and D
2) Chlorella
3) Cladophora
4) Chlamydomonas
What is the ratio of total number of floral leaves in one flower of Pisum to one flower of Allium?
1) 5 : 6
2) 4 : 5
3) 7 : 5
4) 4 : 3
100. Radial, Collateral, and Bicollateral vascular bundles are present respectively in anatomy of
1) Dicot and Monocot roots, dicot and monocot stem, and cucurbita stems
2) Dicot and Monocot stem, dicot and monocot root and cucurbita stem
3) Dicot and Monocot Root, cucurbita stem , dicot and Monocot stem
4) Dicot and monocot stem, cucurbita stems and Dicot and monocot root
101. Osmosis in involved in
1) Ascent of sap in xylem vessels
2) Translocation of sucrose in sieve tube elements
3) Turgidity and flaccidity of guard cells
4) Loss of water vapour into atmosphere from sub stomatal cavity
102. Statement - I : The initial appearance of deficiency symptoms is related to mobility of elements
in plant system
Statement - II : Deficiency symptoms first appear in senescent leaves and young leaves for
mobile and immobile elements respectively
1) Statement I and II both are correct
2) Statement I is correct, statement II is wrong
3) Statement II is correct, statement I is wrong
4) Statement I and II both are wrong
103. First pair of enzymes catalysic the transfer of groups and second pair of enzyme catalyse
breakdown/ removal of groups from substrate. What would be the correct options ?
Transfer
Removal
1) Oxidoreductases and transferases
Hydrolases and Lyases
2) Oxidoreductases and transferases
Hydrolases and Ligases
3) Hydrolases and Ligases
Oxidoreductases and transferases
4) Oxidoreductases and transferases
Ligases and Lyases
104. A round and yellow plant is crossed to a round and green plant and progeny produced have all
four phenotypes in 3 : 3 : 1 : 1 ratio (round yellow, round green, wrinkled yellow, wrinkled green)
respectively. Predict the genotypes of parents and choose the correct option.
1) RrYY  RRyy
2) RrYy  Rryy
3) RRYy  Rryy
4) RRyy  RRyy
105. Two genera are given below. In the genus A, its aerial roots possess multilayered dead epidermis
with chlorenchymatous cortex. In the genus B, a whorl of leaves at each node possess multilayered
epidermis with well developed chlorenchymatous palisade tissue on both sides of leaf. The two
genera A and B respectively
1) Pisum and Taeniophyllum
2) Nerium and Pisum
3) Ficus and Taeniophyllum
4) Taeniophyllum and Nerium
106. The common character observed in members of Inferae, Heteromerae and Bicarpellatae in
Bentham and Hookers classification is
1) Inferior ovary
2) Superior ovary
3) Free petals
4) Fused petals
107. A cell organelle "A" produce polysaccharides, glycoproteins and glycolipids. A cell organelle
"B" oxidize carbohydrates, proteins, and lipids and help in release of energy. A & B cell
organelles respectively are
1) Golgi complex and Endoplasmic reticulum
2) Golgi complex and Mitochondria
3) E. R and Chloroplasts
4) E.R and Mitochondria
108. A vascular element "A" is dead, cylindrical, lignified and conduct substances due to a negative
pressure created in it due to transpiratory pull. A vascular element "B" is living, cylindrical,
non lignified, enucleated and conduct substances due to a positive pressure created in it. A &
B conducting elements respectively are
1) Xylem parenchyma & Sieve tubes
2) Xylem vessels & Sieve tubes
3) Sieve tubes & Xylem tracheids
4) Sieve tubes & Xylem vessels
109. An enzymatic reaction format occurring in respiration is given below
A  B 
 C D
A = six carbon aldose sugar
B = Nucleotide called energy currency
C = Hexose 6 phosphate
With the information provided to you, what could be the enzyme catalysing the above reaction
and its enzyme code
1) Malic dehydrogenase, 2.7.1.2
2) Fructose 1, 6 di kinase, 2.7.1.2
3) Glucose isomerase, 2.7.1.2
4) Hexokinase, 2.7.1.2
110. Linkage is exhibited by
1) Genes that are located on homologous chromosomes
2) Genes that are located on same chromosome
3) Alleles of the same gene located on homologous chromosomes
4) Genes that are located on non homologous chromosomes
111. Choose the correct match
1) Probiotics
-
Salmonella, Methanobacillus
2) Biofertilisers
-
Spirulina, Chlorella
3) Therapeutic chemicals
-
Clostridium, Aspergillus
4) Bio control
-
Trichoderma, NPV, Dragon fly
112. Pick the incorrect match
1) Oxalis, strawberry
Runner
Rooted at each node
2) Pistia, Eichhornia
Offsets
One internodal length branch with respiratory
roots and leaves at a node
3) Nerium, Jasminium
Stolon
Axillary branch bending downwards
4) Chrysanthemum, Ananas
Suckers
Underground branch moving upwards
113. Pick the wrong match
Placentation
Placenta
Example
1) Marginal
Margins of ventral suture
Pisum
2) Axial
Axis formed due to fusion of many ventral sutures
Hibiscus
3) Free central
Central axis with bilocular or multilocular condition
Dianthus
4) Parietal
Inner wall of the ovary
Argemone
114. Pick the incorrect match
1) Rhizopus
Asexual endogenous sporangiospores
Bread preparation
2) Chlamydomonas
Motile asexual zoospores
Biflagellated gametes
3) Penicillium
Asexual exogenous conidiospores
Roquefort cheese and antibiotic
4) Cladophora
Isogamy
Biflagellated gametes
115. Bacterial transformation is
1) Discovered by F. Griffith in Streptococcus pneumoniae
2) Absorption of DNA from surroundings to recipient cell
3) Artificially induced by changing the permeability of host cell
4) All the above are correct
116. Choose the palindromic sequence in the following
1) 5' ACGTAC 3'
2) 5' GACCAG 3'
3) 5' AACGTC 3'
4) 5' ATTACG 3'
3' TGCATG 5'
3' CTGGTC 5'
3' TTGCAG 5'
3' TAATGC 5'
117. Plant 'A' exhibit apocarpy with many free carpels on conical thalamus. Plant 'B' exhibit syncarpy
and is without style. Plant C exhibit syncarpy with five free stigmas. A, B and C respectively are
1) Michelia, Papaver, Hibiscus
2) Papaver, Michelia, Hibiscus
3) Hibiscus, Papaver, Michelia
4) Michelia, Hibiscus, Papaver
118. Read the following four statements and pick the incorrect match
1) Herbarium - Preserve only plant specimens
2) Museum - Preserve both plant and animal specimens in preservative solutions or in dry conditions
3) Botanical gardens - Live plant specimens grown for the purpose of identification
4) Manual - Information about any one taxon
119. Choose the incorrect match
Genus
Fruit
Edible part
1) Annona (Annonaceae)
Aggregate of berries
Mesocarp and endocarp of fruitlet
2) Ananas (Bromeliaceae)
Sorosis
Peduncle, fleshy bracts
3) Artocarpus (Moraceae)
Syconus
Fleshy perianth
4) Pyrus (Rosaceae)
Pome
Fleshy thalamus
120. A linear double stranded DNA and a circular double stranded DNA, each with 4 target sites for
a particular restriction endonuclease were cleaved with that enzyme. The number of fragments
generated from linear and circular DNA respectively
1) 5 & 5
2) 5 & 4
3) 4 & 4
4) 4 & 5
121. The ratio between the number of male gametes and that of female gametes produced due to one
meiotic division occurring in their respective spore mother cells is
1) 1 : 1
2) 2 : 1
3) 8 : 1
4) 2 : 7
122. One of the following is not a benefit of symbiotic association of fungus namely Glomus in
plants. What is it ?
1) Absorption of phosphorus from the soil
2) Resistance to root - borne pathogens
3) Tolerance to salinity and drought
4) Nitrogen fixation
123. Choose the correct matches from the following
1) Red colour of Red sea
- Trichodesmium
2) Red tides in Mediterranean sea
- Gonyaulax
3) Red colour of red algae
- r. phycoerythrin
4) All the above
124. Choose the correct sequence of genera that are characterised by palmella stage, coenobium,
kelp body and strobilus respectively
1) Spirulina, Volvox, Fucus, Pinus
2) Euglena, Volvox, Fucus, Equisetum
3) Amoeba, Slime mould, Porphyra, Annona 4) Chara, Funaria, Adiantum, Cycas
125. Assign the floral diagrams and floral formula to their respective families
C
K 5C5 A5 G  2
1) A-Brassicaceae B- Fabaceae C- Liliaceae
2) A - Solanaceae, B- Fabaceae, C- Brassicaceae
3) A- Liliaceae, B- Fabaceae, C- Solanaceae
4) A- Liliaceae, B - Fabaceae, C- Brassicaceae
126. N- terminal and C- terminal ends are present in macromolecule A, reducing end and non reducing
end are found in B, and 5' end and 3' end are found in macromolecule C. What does A, B, C
respectively represent?
1) Polysaccharides
Proteins
DNA
2) Collagen
Cellulose
RNA
3) Chitin
DNA
Haemoglobin
4) Triglycerides
Polysaccharides
Nucleic acids
127. Permanent tissues may undergo ______ while secondary meristem form secondary permanent
tissues by ____
1) Differentiation, Redifferentiation
2) Differentiation, Dedifferentiation
3) Dedifferentiation, Redifferentiation
4) Redifferentiation, Differentiation
128. Sexual reproduction method in bacteria that provides the basis for understanding DNA as genetic
material
1) Binary fission
2) Transformation
3) Conjugation
4) Transduction
129. What would be the ratio of number of ATP molecules required for the production of two molecules
of NH3 in biological nitrogen fixation, six RUBP in regeneration phase of Calvin cycle and one
molecule of fructose 1, 6 diphosphate in glycolysis.
1) 4 : 3 : 1
2) 4 : 6 : 1
3) 8 : 9 : 1
4) 16 : 6 : 0
130. The ratio of megasporophylls of modified reproductive shoots of mustard, pea, makoi and onion
plants is
1) 6 : 10 : 5 : 6
2) 4 : 5 : 5 : 3
3) 2 : 1 : 2 : 3
4) 16 : 21 : 17 : 15
131. A four carbon dicarboxylic acid that is an intermediate of C 4 pathway, CAM pathway and
Kreb's cycle is
1) Aspartic acid
2) Oxalosuccinic acid
3) Malic acid
4) Succinic acid
132. A free floating hydrophyte with subaerial stem modification and a succulent xerophyte with
aerial stem modification respectively are
1) Musa, Bryophyllum
2) Chrysanthemum, Casuarina
3) Eichhornea, Opuntia
4) Dioscorea, Asparagus
133. Succession that starts on a bare rock is an example for
1) Primary succession
2) Lithosere
3) Xerosere
4) All the above
134. Plant physiologist among the following scientists is
1) Carolus Von Linnaeus
2) G..N. Ramachandran
3) Sir J.C. Bose
4) M.S. Swaminathan
135. A genus with woody unbranched stem, spadix inflorescence, single seeded drupe fruit and
endospermic seed is
1) Mangifera
2) Colacasia
3) Ricinus
4) Cocos